21512700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:125

約数の個数: 216

約数和(自身を含む): 76776336

約数和(自身を除く): 55263636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 41, 44, 45, 50, 53, 55, 60, 66, 75, 82, 90, 99, 100, 106, 110, 123, 132, 150, 159, 164, 165, 180, 198, 205, 212, 220, 225, 246, 265, 275, 300, 318, 330, 369, 396, 410, 450, 451, 477, 492, 495, 530, 550, 583, 615, 636, 660, 738, 795, 820, 825, 900, 902, 954, 990, 1025, 1060, 1100, 1166, 1230, 1325, 1353, 1476, 1590, 1650, 1749, 1804, 1845, 1908, 1980, 2050, 2173, 2255, 2332, 2385, 2460, 2475, 2650, 2706, 2915, 3075, 3180, 3300, 3498, 3690, 3975, 4059, 4100, 4346, 4510, 4770, 4950, 5247, 5300, 5412, 5830, 6150, 6519, 6765, 6996, 7380, 7950, 8118, 8692, 8745, 9020, 9225, 9540, 9900, 10494, 10865, 11275, 11660, 11925, 12300, 13038, 13530, 14575, 15900, 16236, 17490, 18450, 19557, 20295, 20988, 21730, 22550, 23850, 23903, 26076, 26235, 27060, 29150, 32595, 33825, 34980, 36900, 39114, 40590, 43460, 43725, 45100, 47700, 47806, 52470, 54325, 58300, 65190, 67650, 71709, 78228, 81180, 87450, 95612, 97785, 101475, 104940, 108650, 119515, 130380, 131175, 135300, 143418, 162975, 174900, 195570, 202950, 215127, 217300, 239030, 262350, 286836, 325950, 358545, 391140, 405900, 430254, 478060, 488925, 524700, 597575, 651900, 717090, 860508, 977850, 1075635, 1195150, 1434180, 1792725, 1955700, 2151270, 2390300, 3585450, 4302540, 5378175, 7170900, 10756350, 21512700]

約数ペア:

[(1, 21512700), (2, 10756350), (3, 7170900), (4, 5378175), (5, 4302540), (6, 3585450), (9, 2390300), (10, 2151270), (11, 1955700), (12, 1792725), (15, 1434180), (18, 1195150), (20, 1075635), (22, 977850), (25, 860508), (30, 717090), (33, 651900), (36, 597575), (41, 524700), (44, 488925), (45, 478060), (50, 430254), (53, 405900), (55, 391140), (60, 358545), (66, 325950), (75, 286836), (82, 262350), (90, 239030), (99, 217300), (100, 215127), (106, 202950), (110, 195570), (123, 174900), (132, 162975), (150, 143418), (159, 135300), (164, 131175), (165, 130380), (180, 119515), (198, 108650), (205, 104940), (212, 101475), (220, 97785), (225, 95612), (246, 87450), (265, 81180), (275, 78228), (300, 71709), (318, 67650), (330, 65190), (369, 58300), (396, 54325), (410, 52470), (450, 47806), (451, 47700), (477, 45100), (492, 43725), (495, 43460), (530, 40590), (550, 39114), (583, 36900), (615, 34980), (636, 33825), (660, 32595), (738, 29150), (795, 27060), (820, 26235), (825, 26076), (900, 23903), (902, 23850), (954, 22550), (990, 21730), (1025, 20988), (1060, 20295), (1100, 19557), (1166, 18450), (1230, 17490), (1325, 16236), (1353, 15900), (1476, 14575), (1590, 13530), (1650, 13038), (1749, 12300), (1804, 11925), (1845, 11660), (1908, 11275), (1980, 10865), (2050, 10494), (2173, 9900), (2255, 9540), (2332, 9225), (2385, 9020), (2460, 8745), (2475, 8692), (2650, 8118), (2706, 7950), (2915, 7380), (3075, 6996), (3180, 6765), (3300, 6519), (3498, 6150), (3690, 5830), (3975, 5412), (4059, 5300), (4100, 5247), (4346, 4950), (4510, 4770)]